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Homocysteine and ischaemic heart disease in the Caerphilly cohort

Ubbink, J. B., Fehily, A. M., Pickering, Janet, Elwood, Peter Creighton and Vermaak, W. J. H. 1998. Homocysteine and ischaemic heart disease in the Caerphilly cohort. Atherosclerosis 140 (2) , pp. 349-356. 10.1016/s0021-9150(98)00139-7

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Elevated circulating total homocyst(e)ine concentrations are associated with a higher prevalence of ischaemic heart disease (IHD). We utilized data from the Caerphilly Prospective Cohort Study to assess the predictive power of the serum total homocyst(e)ine concentration for future IHD. Serum total homocyst(e)ine concentrations were measured in 2290 men in the Caerphilly cohort, a representative population sample of men aged 50–64 years. During a 5-year follow-up period, 56 men suffered fatal IHD, 77 had a non-fatal myocardial infarction, while 21 were found to have ECG evidence of myocardial infarction (MI) when examined at follow-up. The mean serum total homocyst(e)ine concentration in the total of 154 men who experienced an incident IHD event was 12.4 μmol/l, whereas the 2136 men who experienced no such event had a mean level of 11.7 μmol/l. The difference between these means, examined by logistic regression and standardising for the effects of differences in age, social class, smoking, BMI, diabetes, HDL-cholesterol and prevalent IHD is 0.47 μmol/l (95% CI=−0.13 to 1.11 μmol/l). The mean difference for the 56 men who died, and whose death was attributed to IHD, is 0.81 μmol/l (95% CI=−0.17 to 1.88 μmol/l) after correction for confounding factors. Vitamin nutritional status and alcohol intake were significant negative determinants of serum total homocyst(e)ine concentrations; the effect of alcohol is explained by the folic acid content of beer, which is the preferred alcoholic beverage in Caerphilly. It is concluded that the serum total homocyst(e)ine concentration is weakly predictive of IHD events, though in the present data adjustments for other factors attenuated the relationship and it became not statistically significant (P>0.05).

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
R Medicine > RZ Other systems of medicine
Publisher: Elsevier
ISSN: 0021-9150
Last Modified: 10 Jun 2023 01:22

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